Vial



FIG. 1 is a perspective view of a vial showing my new design;

FIG. 2 is a front end elevation view thereof;

FIG. 3 is a rear end elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a right side elevation view thereof.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a vial, as shown. 